Update version to `1.4.0-pre.6` · enisn/AbpDevTools@68fa93e

Build: src/AbpDevTools/Notifications/DefaultNotificationManager.cs#L4

Cannot convert null literal to non-nullable reference type.

Build: src/AbpDevTools/Notifications/INotificationManager.cs#L4

Cannot convert null literal to non-nullable reference type.

Build: src/AbpDevTools/Notifications/INotificationManager.cs#L4

Cannot convert null literal to non-nullable reference type.

Build: src/AbpDevTools/Notifications/MacCatalystNotificationManager.cs#L16

Cannot convert null literal to non-nullable reference type.

Build: src/AbpDevTools/Notifications/MacCatalystNotificationManager.cs#L16

Cannot convert null literal to non-nullable reference type.

Build: src/AbpDevTools/Notifications/WindowsNotificationManager.cs#L20

Cannot convert null literal to non-nullable reference type.

Build: src/AbpDevTools/Notifications/WindowsNotificationManager.cs#L20

Cannot convert null literal to non-nullable reference type.

Build: src/AbpDevTools/Services/UpdateChecker.cs#L29

Dereference of a possibly null reference.

Build: src/AbpDevTools/Services/UpdateChecker.cs#L38

Dereference of a possibly null reference.

Build: src/AbpDevTools/Services/UpdateChecker.cs#L45

Dereference of a possibly null reference.

Provide feedback